| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [vb pp] [prep] a | 931 |
|
| 2 | [conj] may be [vb pp] [prep] | 487 |
|
| 3 | [conj] be [vb pp] [prep] a | 94 |
|
| 4 | [conj] may be [prep] a | 7 |
|
